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Smelling different after COVID-19 ?

Published online by Cambridge University Press:  01 September 2022

K. Nourchene ,
E. Khelifa ,
B. Abassi ,
I. Bouguerra ,
O. Maatouk ,
S. Ben Aissa  and
L. Mnif
K. Nourchene*
Affiliation:
Razi hospital, Skolly, Tunis, Tunisia
E. Khelifa
Affiliation:
Razi Hospital, F Adult Psychiatry Department, Manouba, Tunisia
B. Abassi
Affiliation:
Razi Hospital, F Adult Psychiatry Department, Manouba, Tunisia
I. Bouguerra
Affiliation:
Errazi hospital-Mannouba, F, Mannouba, Tunisia
O. Maatouk
Affiliation:
Razi Hospital, F Adult Psychiatry Department, Manouba, Tunisia
S. Ben Aissa
Affiliation:
Razi, Skolly, Manouba, Tunisia
L. Mnif
Affiliation:
Razi, Skolly, Manouba, Tunisia
*
*Corresponding author.

Abstract

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Introduction

Over the course of COVID 19 illness, olfactory dysfunction was largely described as hyposmia and anosmia. What about phantosmia?

Objectives

In this study, we aimed to explore olfactory hallucinations among COVID 19 patients.

Methods

Our literature review was based on the PubMed interface and adapted for 2 databases: Science Direct and Google Scholar using the following combination ( phantosmia [MeSH terms]) OR (olfactory hallucinations[MeSH terms]) AND (COVID-19 [MeSH terms]).

Results

Smell dysfonction is one of the most revealing sign of COVID 19 infection. However, other symptoms particularlty phantosmia tend to emerge later in the course of the disease. Female predominance was noted among patients sufferning from olfactory hallucinations regardless to their medical history. An unpleasant olfactory sensation was the most described sign. The occurene of phantosmia was also described in one case of women suffering from schizophrenia whom tested positive for COVID 19 infection.

Conclusions

Olfactory hallucinations are more and more associated with COVID-19 disease regardless to psychiatric disorders. The pathological mechanism remains unclear and further studies are needed for a better comprehension and management.

Disclosure

No significant relationships.

Keywords

Covid-19olfactory hallucinationphantosmia
Type
Abstract
Information
European Psychiatry , Volume 65 , Special Issue S1: Abstracts of the 30th European Congress of Psychiatry , June 2022 , pp. S514
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of the European Psychiatric Association
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